On Friday, March 18, 2016 at 6:52:53 PM UTC+5:30, Peter Otten wrote:
> Rustom Mody wrote:
>
> > On Friday, March 18, 2016 at 4:17:06 AM UTC+5:30, MRAB wrote:
> >> Stick an "x" on the end of the regex: /something/x or s/old/new/x.
> >
> > Thanks!
> >
> > Is there somewhere a regexp 'introspection' API/capability available?
> >
> > ie if the re looks like
> > rexp = r"""
> > # DSL (instantiation) for describing NYSE symbology
> > ^
> > (?P<scrip> [A-Z]*) # The base scrip
> > (?P<serchar> [.+-])? # Series type char
> > (?P<series> [A-Z])? # Series
> > (?P<issuedc> [#])? # issued char indicator
> > $ # Thats all (there should be!)
> > """
> >
> > I would like to know that the named-groups are
> > {scrip, serchar, series, issued}
> > without doing match/search etc
>
> Is that a Perl or a Python question? If the latter:
>
> >>> r = re.compile(rexp, re.VERBOSE)
> >>> r.groupindex
> {'serchar': 2, 'issuedc': 4, 'scrip': 1, 'series': 3}
Neat Thanks (and Jussi)
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